Home / 1,143,938.30-1,715,579.40-345,027.20

Finding the Fourth Proportional to 1,143,938.30, 1,715,579.40 and 345,027.20

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Solution

The fourth proportional to 1,143,938.30, 1,715,579.40 and 345,027.20 is: 517,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,938.30 : 1,715,579.40 = 345,027.20 : x
  2. Step 2: Convert to fraction form
    1,143,938.30/1,715,579.40 = 345,027.20/x
  3. Step 3: Cross multiply
    1,143,938.30x = 1,715,579.40 × 345,027.20
  4. Step 4: Simplify right side
    1,143,938.30x = 591,921,556,759.68
  5. Step 5: Solve for x
    x = 591,921,556,759.68/1,143,938.30
  6. Step 6: Final answer
    x = 517,441.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.